erp5_officejs_ui_test: workaround dependency issues

erp5_smart_assistant and erp5_travel_expense have cross looping dependencies.
Install both bt5 for the tests, but the real fix would be to clean up those bt5.

bt5/erp5_officejs_ui_test/bt/dependency_list

@@ -5,3 +5,4 @@ erp5_officejs_jquery_app
 erp5_officejs_ooffice
 erp5_officejs_connector
 erp5_web_renderjs_ui_test
+erp5_travel_expense
\ No newline at end of file